Ablation behavior of three-dimensional Cf/SiC-ZrC-ZrB2 composites prepared by a joint process of sol-gel and reactive melt infiltration

被引：60

作者：

Chen, Xiaowu ^{[1
,2
,3
]}

Feng, Qian ^{[4
]}

Zhou, Haijun ^{[1
,2
]}

Dong, Shaoming ^{[1
,2
]}

Wang, Jingxiao ^{[1
,2
,3
]}

Cao, Yanpeng ^{[1
,2
,3
]}

Kan, Yanmei ^{[1
,2
]}

Ni, Dewei ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, Struct Ceram & Composites Engn Res Ctr, Shanghai 200050, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[4] Donghua Univ, Anal & Testing Ctr, Shanghai 201620, Peoples R China

来源：

CORROSION SCIENCE | 2018年 / 134卷

基金：

中国国家自然科学基金;

关键词：

Ceramic matrix composites; SEM; Raman spectroscopy; High temperature corrosion; Oxidation; ZRC-SIC COMPOSITES; TEMPERATURE CERAMIC COMPOSITES; C/SIC COMPOSITES; MECHANICAL-PROPERTIES; POLYMER INFILTRATION; OXIDATION BEHAVIOR; OXYACETYLENE FLAME; C/C COMPOSITES; MICROSTRUCTURE; FABRICATION;

D O I：

10.1016/j.corsci.2018.02.011

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Three-dimensional C-f/SiC-ZrC-ZrB2 composites were fabricated by a joint process of sol-gel and reactive melt infiltration. Ablation test of the composites was performed under air plasma. The composites showed negative recession rates at 1800-2000 degrees C, while positive recession rates above 2000 degrees C. Results revealed that dense SiO2-ZrO2-B2O3 layer formed on the sample surface prevented the ablation process extending inward the samples. At higher temperature, active oxidation of SiC and severe evaporation of oxide phase significantly impaired the integrity of the oxide layer and inevitably deteriorated the resistance of the oxide layer to the air plasma.

引用

页码：49 / 56

页数：8

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